When racing the 400 IM you should try to negative split each 100.

当你参加400米竞赛时，你应该尽量逆向划分每个100米。

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These two groups were then split again, and half were asked to write down three positive personal traits, the other half three negative personal traits.

然后这两组再次均分，一半的学生写下三条正面的自我特点，另一半是负面的。

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To this end, the positive and negative transformations of propositional formulas are defined such that the semantic link between a literal and its negation is split.

为此，定义了命题公式的正变换和负变换，以便分离一个文字与其否定的语义联系。

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The folks at Netbase, a company that collates online opinion and sentiment, sent me a couple of graphics on overall reaction and what surprises me is not the positive-negative split, though that is interesting.

FORBES: Connect

When the public was asked to choose between a simple positive and negative assessment, however, it split down the middle: 51% said unions had a negative impact, while 49% said their effect was positive.

WSJ: Peterson, Howell and West: Teachers Unions Have a Popularity Problem